156803750

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 80

約数和(自身を含む): 319847616

約数和(自身を除く): 163043866

約数列:

[1, 2, 5, 10, 17, 25, 34, 47, 50, 85, 94, 125, 157, 170, 235, 250, 314, 425, 470, 625, 785, 799, 850, 1175, 1250, 1570, 1598, 2125, 2350, 2669, 3925, 3995, 4250, 5338, 5875, 7379, 7850, 7990, 10625, 11750, 13345, 14758, 19625, 19975, 21250, 26690, 29375, 36895, 39250, 39950, 58750, 66725, 73790, 98125, 99875, 125443, 133450, 184475, 196250, 199750, 250886, 333625, 368950, 499375, 627215, 667250, 922375, 998750, 1254430, 1668125, 1844750, 3136075, 3336250, 4611875, 6272150, 9223750, 15680375, 31360750, 78401875, 156803750]

約数ペア:

[(1, 156803750), (2, 78401875), (5, 31360750), (10, 15680375), (17, 9223750), (25, 6272150), (34, 4611875), (47, 3336250), (50, 3136075), (85, 1844750), (94, 1668125), (125, 1254430), (157, 998750), (170, 922375), (235, 667250), (250, 627215), (314, 499375), (425, 368950), (470, 333625), (625, 250886), (785, 199750), (799, 196250), (850, 184475), (1175, 133450), (1250, 125443), (1570, 99875), (1598, 98125), (2125, 73790), (2350, 66725), (2669, 58750), (3925, 39950), (3995, 39250), (4250, 36895), (5338, 29375), (5875, 26690), (7379, 21250), (7850, 19975), (7990, 19625), (10625, 14758), (11750, 13345)]